Portable grill



FIG. 1 is a perspective top front right view of a portable grill, showing my new design;

FIG. 2 is a perspective top rear left view thereof;

FIG. 3 is a front elevation view thereof, wherein a rear elevation view is an identical image thereof;

FIG. 4 is a right elevation view thereof, wherein a left elevation view is an identical image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

CLAIM The ornamental design for a portable grill, as shown and described. 